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Finding the Third Proportional to 856,311 and 1,333,480.50

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Solution

The third proportional to 856,311 and 1,333,480.50 is: 2,076,547.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,311 : 1,333,480.50 = 1,333,480.50 : x
  2. Step 2: Convert to fraction form
    856,311/1,333,480.50 = 1,333,480.50/x
  3. Step 3: Cross multiply
    856,311x = 1,333,480.50 × 1,333,480.50
  4. Step 4: Simplify right side
    856,311x = 1,778,170,243,880.25
  5. Step 5: Solve for x
    x = 1,778,170,243,880.25/856,311
  6. Step 6: Final answer
    x = 2,076,547.24

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.